Test identification

Name of test CEM Interactive computerised assessment system (InCAS)
Subjects Literacy, Maths
Summary InCAS is a computer-adaptive assessment that helps you identify and diagnose learning needs in reading, spelling, mathematics, mental arithmetic, developed ability and attitudes across the primary phase.

Assessment screening

Subscales Reading, Spelling, Mathematics, Mental Arithmetic, Developed Ability and Attitudes
Authors Cambridge Assessment
Publisher Centre for Evaluation and Monitoring (CEM)
Test source https://www.cem.org/incas
Guidelines available? Yes
Norm-referenced scores. Yes
Age range 5-11 Years
Key Stage(s) applicable to KS1, KS2
UK standardisation sample Yes
Publication date Ongoing
Re-norming date n/a


Validity measures available? No
Reliability measures available? No
Reason for exclusion from shortlist shortlisted but insufficient information available to evaluate

Evaluation and Appraisal

Response format

Assessor requirements

Is administration scripted? No


Construct Validity

Does it adequately measure literacy, mathematics or science?

Criterion Validity

Does test performance adequately correlate with later, current or past performance?


Is test performance reliable?

Is the norm-derived population appropriate and free from bias?

Is population appropriate and free from bias? No